[iphb] Update hardcoded minimum system time. JB#40772

When DSME is unable to find any file based time stamps that define the
minimum system time to use, a hardcoded value is used. This has not been
updated in years.

Use "2018-01-01 12:00:00 UTC" as minimum sane system time limit.

Signed-off-by: Simo Piiroinen <simo.piiroinen@jollamobile.com>

modules/iphb.c

@@ -3115,14 +3115,14 @@ static time_t mintime_fetch(void)
 {
     struct tm tm =
     {
-	// 2013-12-01 12:00:00 UTC
+	// 2018-01-01 12:00:00 UTC
 	.tm_sec   = 0,
 	.tm_min   = 0,
 	.tm_hour  = 12,
 
-	.tm_mday  = 10   - 0,
-	.tm_mon   = 12   - 1,
-	.tm_year  = 2013 - 1900,
+	.tm_mday  = 1    - 0,
+	.tm_mon   = 1    - 1,
+	.tm_year  = 2018 - 1900,
 
 	.tm_wday  = -1,
 	.tm_yday  = -1,